Sitthiwirattham, T.Ali, M. A.Budak, H.Abbas, M.Chasreechai, S.2021-12-012021-12-01202123915455https://doi.org/10.1515/math-2021-0088https://hdl.handle.net/20.500.12684/9912In this paper, we prove a quantum version of Montgomery identity and prove some new Ostrowski-type inequalities for convex functions in the setting of quantum calculus. Moreover, we discuss several special cases of newly established inequalities and obtain different new and existing inequalities in the field of integral inequalities. © 2021 Thanin Sitthiwirattham et al., published by De Gruyter.en10.1515/math-2021-0088info:eu-repo/semantics/openAccessconvex functionsdifference operatorsintegral inequalitiesOstrowski inequalitiesq-integralquantum calculusMontgomery identity and Ostrowski-type inequalities via quantum calculusArticle191109811092-s2.0-85117159569WOS:000731783800001Q3Q2